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| | Howstuffworks "Which is the tallest building in the world?" |
 | | Architects and engineers heartily embrace the challenges of building higher, and corporations and cities are always attracted to the glory of towering over the competition. |
 | | Conventionally, decorative structures count toward height, but antennas do not, giving the Petronas Towers in Malaysia, built in 1997, at 1,483 feet (452 m) each, the official lead. |
 | | Many Chicagoans also point out that their Sears Tower has the highest occupied floor, at 1,431 feet (436 m), and the highest traditional roof at 1,454 feet (443 m). |
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